105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 hathach for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/runtime.h"
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#include "shared-bindings/usb_hid/Device.h"
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#include "shared-module/usb_hid/Device.h"
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#include "supervisor/shared/translate.h"
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#include "supervisor/shared/tick.h"
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#include "tusb.h"
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uint8_t common_hal_usb_hid_device_get_usage_page(usb_hid_device_obj_t *self) {
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return self->usage_page;
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}
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uint8_t common_hal_usb_hid_device_get_usage(usb_hid_device_obj_t *self) {
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return self->usage;
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}
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void common_hal_usb_hid_device_send_report(usb_hid_device_obj_t *self, uint8_t *report, uint8_t len) {
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if (len != self->report_length) {
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mp_raise_ValueError_varg(translate("Buffer incorrect size. Should be %d bytes."), self->report_length);
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}
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// Wait until interface is ready, timeout = 2 seconds
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uint64_t end_ticks = supervisor_ticks_ms64() + 2000;
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while ((supervisor_ticks_ms64() < end_ticks) && !tud_hid_ready()) {
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RUN_BACKGROUND_TASKS;
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}
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if (!tud_hid_ready()) {
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mp_raise_msg(&mp_type_OSError, translate("USB Busy"));
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}
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memcpy(self->report_buffer, report, len);
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if (!tud_hid_report(self->report_id, self->report_buffer, len)) {
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mp_raise_msg(&mp_type_OSError, translate("USB Error"));
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}
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}
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static usb_hid_device_obj_t *get_hid_device(uint8_t report_id) {
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for (uint8_t i = 0; i < USB_HID_NUM_DEVICES; i++) {
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if (usb_hid_devices[i].report_id == report_id) {
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return &usb_hid_devices[i];
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}
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}
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return NULL;
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}
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// Callbacks invoked when receive Get_Report request through control endpoint
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uint16_t tud_hid_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t *buffer, uint16_t reqlen) {
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(void)itf;
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// only support Input Report
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if (report_type != HID_REPORT_TYPE_INPUT) {
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return 0;
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}
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// fill buffer with current report
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memcpy(buffer, get_hid_device(report_id)->report_buffer, reqlen);
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return reqlen;
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}
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// Callbacks invoked when receive Set_Report request through control endpoint
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void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const *buffer, uint16_t bufsize) {
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(void)itf;
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if (report_type == HID_REPORT_TYPE_INVALID) {
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report_id = buffer[0];
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buffer++;
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bufsize--;
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} else if (report_type != HID_REPORT_TYPE_OUTPUT) {
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return;
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}
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usb_hid_device_obj_t *hid_device = get_hid_device(report_id);
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if (hid_device && hid_device->out_report_length >= bufsize) {
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memcpy(hid_device->out_report_buffer, buffer, bufsize);
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}
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}
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